Finding the Fourth Proportional to 9,787.93, 14,669.59 and 7,020

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787.93 : 14,669.59 = 7,020 : x
2. Step 2: Convert to fraction form
   9,787.93/14,669.59 = 7,020/x
3. Step 3: Cross multiply
   9,787.93x = 14,669.59 × 7,020
4. Step 4: Simplify right side
   9,787.93x = 102,980,521.80
5. Step 5: Solve for x
   x = 102,980,521.80/9,787.93
6. Step 6: Final answer
   x = 10,521.17